Wind Advisory issued August 18 at 6:14AM PDT until August 19 at 5:00AM PDT by NWS Los Angeles/Oxnard CA

Published: 18 August 2025
Categories: National Weather Service

RSS feed source: US National Weather Service

* WHAT…For the Wind Advisory, northwest to north winds 15 to 30 mph with gusts up to 45 mph expected. * WHERE…Santa Barbara County Southwestern Coast and Santa Ynez Mountains Western Range. * WHEN…From 6 PM this evening to 5 AM PDT Tuesday. * IMPACTS…Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. * ADDITIONAL DETAILS…After a brief lulls each morning, winds will strengthen again Monday and Tuesday nights and additional Wind Advisories are likely.

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Extreme Heat Watch issued August 18 at 6:14AM PDT until August 23 at 9:00PM PDT by NWS Los Angeles/Oxnard CA

Published: 18 August 2025
Categories: National Weather Service

RSS feed source: US National Weather Service

* WHAT…Dangerously hot conditions with temperatures up to 104 possible. * WHERE…Calabasas and Agoura Hills, Central Ventura County Valleys, Eastern San Fernando Valley, Lake Casitas, Los Angeles County San Gabriel Valley, Ojai Valley, Santa Clarita Valley, Santa Susana Mountains, Southeastern Ventura County Valleys, and Western San Fernando Valley. * WHEN…From Wednesday afternoon through Saturday evening. * IMPACTS…There is a high risk for dangerous heat illness for anyone, especially for the very young, the very old, those without air conditioning, and those active outdoors.

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Popocatépetl Volcano Volcanic Ash Advisory: VA EMS OBS to 22000 ft (6700 m)

Published: 18 August 2025
Categories: Global Volcano Activity

RSS feed source: US National Weather Service

Background:

Volcán Popocatépetl, whose name is the Aztec word for smoking mountain, towers to 5426 m 70 km SE of Mexico City to form North America’s 2nd-highest volcano.  The glacier-clad stratovolcano contains a steep-walled, 250-450 m deep crater.  The generally symmetrical volcano is modified by the sharp-peaked Ventorrillo on the NW, a remnant of an earlier volcano. 
At least three previous major cones were destroyed by gravitational failure during the Pleistocene, producing massive debris-avalanche deposits covering broad areas south of the volcano.  The modern volcano was constructed to the south of the late-Pleistocene to Holocene El Fraile cone.  Three major plinian eruptions, the most recent of which took place about 800 AD, have occurred from Popocatépetl since the mid Holocene, accompanied by pyroclastic flows and voluminous lahars that swept basins below the volcano.  Frequent historical eruptions, first recorded in Aztec codices, have occurred since precolumbian

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